>On Thu, 21 Sep 2023 09:12:30 -0700
>
>
>"T.J. Mercier" <tjmerc...@google.com> wrote:
>
>
>
>
>
>> > + TP_fast_assign(
>> >
>> >
>> > + __entry->nid = nid;
>> >
>> >
>> > + __entry->nr_reclaimed = nr_reclaimed;
>> >
>> >
>> > + __entry->nr_dirty = stat->nr_dirty;
>> >
>> >
>> > + __entry->nr_writeback = stat->nr_writeback;
>> >
>> >
>> > + __entry->nr_congested = stat->nr_congested;
>> >
>> >
>> > + __entry->nr_immediate = stat->nr_immediate;
>> >
>> >
>> > + __entry->nr_activate0 = stat->nr_activate[0];
>> >
>> >
>> > + __entry->nr_activate1 = stat->nr_activate[1];
>> >
>> >
>> > + __entry->nr_ref_keep = stat->nr_ref_keep;
>> >
>> >
>> > + __entry->nr_unmap_fail = stat->nr_unmap_fail;
>> >
>> >
>> > + __entry->priority = priority;
>> >
>> >
>> > + __entry->reclaim_flags = trace_reclaim_flags(file);
>> >
>> >
>> > + ),
>> >
>> >
>> > +
>> >
>> >
>> > + TP_printk("nid=%d nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld
>> > nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d
>> > nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s",
>>
>>
>>
>> Many of these values are unsigned so I think many of these format
>>
>>
>> specifiers should be %lu instead of %ld.
>>
>>
Hello T.J.
Thank you for your comment
As you expected I got this from the legacy lru trace.
I've changed as you recommended.
Actually I changed isolate_mode, too. Please let me know if this is not
actually needed.
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -367,7 +367,7 @@ TRACE_EVENT_CONDITION(mm_vmscan_lru_gen_scan,
* classzone is previous name of the highest_zoneidx.
* Reason not to change it is the ABI requirement of the tracepoint.
*/
- TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu
nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
+ TP_printk("isolate_mode=%u classzone=%d order=%d nr_requested=%lu
nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
__entry->isolate_mode,
__entry->highest_zoneidx,
__entry->order,
@@ -525,7 +525,7 @@ TRACE_EVENT(mm_vmscan_lru_gen_evict,
__entry->reclaim_flags = trace_reclaim_flags(file);
),
- TP_printk("nid=%d nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld
nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d
nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s",
+ TP_printk("nid=%d nr_reclaimed=%lu nr_dirty=%lu nr_writeback=%lu
nr_congested=%lu nr_immediate=%lu nr_activate_anon=%u nr_activate_file=%u
nr_ref_keep=%lu nr_unmap_fail=%lu priority=%d flags=%s",
__entry->nid, __entry->nr_reclaimed,
__entry->nr_dirty, __entry->nr_writeback,
__entry->nr_congested, __entry->nr_immediate,
>
>
>
>Other than this, from the tracing POV:
>
>
>
>
>
>Reviewed-by: Steven Rostedt (Google) <rost...@goodmis.org>
>
>
Hello Steven
I've appreciated your Reviewed-by, let me take this on my next v3 patch.
>
>
>
>-- Steve
>
>
